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can anyone tell me the minimum size of a drilled shaft? Thanks.

does anyone know any kind of thread locker that can be used on anchor bolts and how? thanks

the contractor violated the max drop criteria when pour the piling. they dropped about 20ft. we specified 4000psi concrete. what is the minimum strength of the concrete it can achieve. any idea?

anyone here has H pile experiences. is there an end plate at the bottom of H pile? Can anyone show me a detail? thanks.

can anyone tell me how to handle the corrosion issue for steel piles? thanks

Up north, i have never seen a foundation for CMU wall showing CMU below grade. Is there a problem if we start to lay the CMU from top of the pad below grade? thanks

Does anyone have a detail for steel H pile and concrete cap?

I have a situation in which i totally rely on the tension capacity of some a325 bolts. and the failure of the connection would be fatal. does anyone see it is a problem to weld the nut and bolts to the steel plates. although the bolts would be tightened to full pretensin force, as time goes by i...

Does anyone do a sliding end for roof steel truss bearing on masonry wall? Just curious.

the masonry foundations need to leave dowels for the wall above. I think we engineers usually dont tell the locations of the joints in the wall. and the blocks at joints are little bit longer than normal blocks, am i right? then how do we locate the dowel locations accurately if we dont know the...

in refinery or pipeline do we paint or galvanize the truss in buildings? Thanks

I am doing a estimate of manhours. I did it items by items but i got a extremely low hour/drawing ratio. i mean way lower than normal. how do you guys adjust your estimate if you run into the same situation. thanks

I am reading ACI318 chapter 13 and have a question for everyone here. 13.5.3 states that when forces cause transfer of moment between slab and column, a fraction of the moment shall be transfered through moment and a fraction of it through shear. 13.5.3.2 also tells us where to put the extra...

I am currently design a open building which is going to be closed in couple of years. the owner want us to design the footings which are for future walls and columns. I am wondering if there are ways or details for future dowels that can be buried under finish grade but not affect the functin of...

I am doing a project which contains anchored masonry veneer. According to 6.2.2.1 of ACI 530 prescriptive requirement for anchored masonry veneer shall not be used in areas where the pressure exceed 25psf. my pressure is about 35psf. the masonry guys are going to design the veneer for that...

Anyone has the experience of designing a CMU retaining wall with a concrete base where free drainage is not desireble? Thanks

I don't know the subject I put there clearly discribes my problem. I was just hired as a senior engineer in a firm. and another senior who was hired earlier than me is in charge. I am concentrating on the job assinged to me always but he is more concerned to make himself look better than me even...

Does anyone know there is a website similar to this one but it is for project management?

I am checking a built metal deck floor designed by someone else. for some reason it is a 2 1/2" 33ksi roof deck with 2" concrete on top (overall 4 1/2". The catolog does not give us the capacity of roof deck with concrete topping. and the manufacturer said the actually fy is 80ksi. I am...